Finding the Fourth Proportional to 212,741.96, 293,578.85 and 115,948.88
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Solution
The fourth proportional to 212,741.96, 293,578.85 and 115,948.88 is: 160,006.70
Step by Step Solution
- Step 1: Write the proportion equation
212,741.96 : 293,578.85 = 115,948.88 : x - Step 2: Convert to fraction form
212,741.96/293,578.85 = 115,948.88/x - Step 3: Cross multiply
212,741.96x = 293,578.85 × 115,948.88 - Step 4: Simplify right side
212,741.96x = 34,040,138,849.19 - Step 5: Solve for x
x = 34,040,138,849.19/212,741.96 - Step 6: Final answer
x = 160,006.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.